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You will need to ensure you have downloaded and installed the required USB to Serial Modbus Cable (TCSMCNAM3M002P) Drivers used by Schneider Electric Conext RL and TL firmware upgrade software and configuration software. If you have done this and the software is still not seeing your Schneider Electric Conext RL or TL Grid Tie Inverter check the COM port number being used by the USB to Serial Modbus Cable.

Via your computers Control Panel | Device Manager check whether the COM port number being used by the USB to Serial Modbus Cable is between 1 and 20. If not you will need to double click on the COM port in question and edit the advanced port settings to use a COM port within the required range. Within the Schneider Electric Conext RL and TL firmware upgrade software or configuration software to utilise this COM port.